As Iranians across the world prepare to celebrate the Iranian new year, many Iranian-Americans have criticised the West's approach to confronting the government in Tehran.<br /><br />International criticism over Iran's disputed nuclear programme has sharpened as the West appears to be pushing for more targeted sanctions. <br /><br />But many Iranian-Americans say they believe that focusing solely on the nuclear issue will do little to undermine the current Iranian government and could work against the country's reform movement. <br /><br />Khody Akhavi reports.